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YouTubeProfessor Dave Explains
The Composition and Function of Blood
Of course we all know what blood is, and everyone has had at least a minor injury involving blood. But what is it exactly? What's it made of? What does it do? Why do we die if we lose enough of it? Let's check out each component of blood now, on both the cellular and molecular level! Watch the whole Anatomy & Physiology playlist: http://bit.ly ...
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